US2433715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ignition apparatus
Assignee: WICO ELECTRIC Co
•
Filing: 1946-04-18
•
Granted: 1947-12-30
•
Expires: 1966-04-18
Abstract
No abstract record available.
Inventors
- 👤 Sidney K Smart
- 👤 Allen L Brownlee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:38
CPC Classifications
F; F02; F02P; F02P3/00; F02P3/06; F02P3/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1058456A
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US1935127A
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US2074545A
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US2104140A
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US2258665A
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US2184315A
Cited
US2240804A
Cited
US2291652A
Cited
US2352894A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-29 | 1951-06-30 | 1951-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-29 | 1955-06-30 | 1955-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-29 | 1959-06-30 | 1959-12-30 | $7700.00 | Window Closed / Lapsed |